$ lein deps
Exception in thread "main" java.lang.IllegalArgumentException: Duplicate key: central (NO_SOURCE_FILE:0)
at clojure.lang.Compiler.eval(Compiler.java:5440)
at clojure.lang.Compiler.eval(Compiler.java:5391)
at clojure.core$eval.invoke(core.clj:2382)
at clojure.main$eval_opt.invoke(main.clj:235)
at clojure.main$initialize.invoke(main.clj:254)
at clojure.main$script_opt.invoke(main.clj:270)
at clojure.main$main.doInvoke(main.clj:354)
at clojure.lang.RestFn.invoke(RestFn.java:457)
at clojure.lang.Var.invoke(Var.java:377)
at clojure.lang.AFn.applyToHelper(AFn.java:172)
at clojure.lang.Var.applyTo(Var.java:482)
at clojure.main.main(main.java:37)
Caused by: java.lang.IllegalArgumentException: Duplicate key: central
at clojure.lang.PersistentArrayMap.createWithCheck(PersistentArrayMap.java:70)
at clojure.core$array_map.doInvoke(core.clj:3391)
at clojure.lang.RestFn.applyTo(RestFn.java:137)
at clojure.core$apply.invoke(core.clj:540)
at leiningen.core$repositories_for.doInvoke(core.clj:172)
at clojure.lang.RestFn.invoke(RestFn.java:410)
at leiningen.deps$make_repositories.invoke(deps.clj:62)
at leiningen.deps$make_deps_task.invoke(deps.clj:102)
at leiningen.deps$do_deps.invoke(deps.clj:132)
at leiningen.deps$deps.doInvoke(deps.clj:198)
at clojure.lang.RestFn.invoke(RestFn.java:410)
at clojure.lang.Var.invoke(Var.java:365)
at clojure.lang.AFn.applyToHelper(AFn.java:161)
at clojure.lang.Var.applyTo(Var.java:482)
at clojure.core$apply.invoke(core.clj:542)
at leiningen.core$apply_task.invoke(core.clj:259)
at leiningen.core$_main.doInvoke(core.clj:325)
at clojure.lang.RestFn.invoke(RestFn.java:410)
at clojure.lang.AFn.applyToHelper(AFn.java:161)
at clojure.lang.RestFn.applyTo(RestFn.java:132)
at clojure.core$apply.invoke(core.clj:542)
at leiningen.core$_main.invoke(core.clj:328)
at user$eval42.invoke(NO_SOURCE_FILE:1)
at clojure.lang.Compiler.eval(Compiler.java:5424)
... 11 more
$ lein --version
Leiningen 1.6.2 on Java 1.6.0_29 Java HotSpot(TM) 64-Bit Server VM